CN106181772A - A kind of linear servo drive repairs emery wheel mechanism - Google Patents
A kind of linear servo drive repairs emery wheel mechanism Download PDFInfo
- Publication number
- CN106181772A CN106181772A CN201610563046.3A CN201610563046A CN106181772A CN 106181772 A CN106181772 A CN 106181772A CN 201610563046 A CN201610563046 A CN 201610563046A CN 106181772 A CN106181772 A CN 106181772A
- Authority
- CN
- China
- Prior art keywords
- emery wheel
- linear servo
- dresser
- servo drive
- actuator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B53/00—Devices or means for dressing or conditioning abrasive surfaces
- B24B53/12—Dressing tools; Holders therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/20—Drives or gearings; Equipment therefor relating to feed movement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B53/00—Devices or means for dressing or conditioning abrasive surfaces
- B24B53/06—Devices or means for dressing or conditioning abrasive surfaces of profiled abrasive wheels
- B24B53/07—Devices or means for dressing or conditioning abrasive surfaces of profiled abrasive wheels by means of forming tools having a shape complementary to that to be produced, e.g. blocks, profile rolls
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding-Machine Dressing And Accessory Apparatuses (AREA)
Abstract
The present invention relates to bearing ring manufacture field, particularly relate to a kind of linear servo drive wheel dressing mechanism.A kind of linear servo drive wheel dressing mechanism, including acting on the dresser of emery wheel, and the finishing cross slide driving dresser to move axially along emery wheel is secondary, and the correcting compensation planker driving dresser to move radially along emery wheel is secondary；Described correcting compensation planker pair includes linear servo-actuator, and the correcting compensation planker being arranged on linear servo-actuator outfan.This mechanism uses linear servo-actuator to drive the dresser on correcting compensation planker to reach accurately to repair the purpose of emery wheel, has the advantages such as finishing shape is arranged conveniently, finishing shape type is many and has the features such as simple in construction, mounting and adjusting be convenient.
Description
Technical field
The present invention relates to high-precision bearing lasso grinding field, particularly relate to a kind of linear servo drive crushing
Mechanism.
Background technology
Along with the birth of Digit Control Machine Tool, its technology of feeding drive experienced by open loop driven by stepper motors servo-drive system
System, closed-loop direct servosystem and the AC servo three phases being widely used at present.Although technology of feeding drive is not
Disconnected development and change, but its basic type of belt drive is " electric rotating motivation+ball-screw " pattern all the time, is straight line for workbench
The motion path of form, can only obtain final linear motion by machinery conversion intermediate link " indirectly ".
And along with the development of high-power electric semiconductor technology and the development of computer technology, control device and Controlling principle
Continuous renewal and perfect, the particularly extensive application of PWM modulation technology so that use tricyclic structure (position ring, speed ring and
Electric current loop) the control theory of positional servosystem and technology the most ripe, reach the aspect such as realizing quickly, be accurately positioned
At a relatively high level.But along with at a high speed and the developing rapidly of ultra-speed precise process technology, it is desirable to Digit Control Machine Tool has a reaction
The feed drive system that rapid sensitive, high speed are light.And the highest feed speed that traditional type of drive can reach and superelevation
Speed cutting requirement differs greatly, and need to improve.
Summary of the invention
In order to solve the problems referred to above, it is an object of the invention to provide a kind of linear servo drive wheel dressing mechanism, should
Mechanism uses linear servo-actuator to drive the dresser on correcting compensation planker to reach accurately to repair the purpose of emery wheel, has and repaiies
Shape arranges convenience, repairs the advantages such as shape type is many and has the feature such as simple in construction, mounting and adjusting convenience.
In order to realize above-mentioned purpose, present invention employs following technical scheme:
A kind of linear servo drive wheel dressing mechanism, it is characterised in that: include the dresser acting on emery wheel, and driving is repaiied
The finishing cross slide that whole device moves axially along emery wheel is secondary, and the correcting compensation planker that driving dresser moves radially along emery wheel
Secondary；Described correcting compensation planker pair includes linear servo-actuator and the correcting compensation planker of grating belt chi feedback system.
As preferentially, described linear servo-actuator includes the secondary being fixedly installed, and movement is arranged in described secondary
Primary；Described primary inner is provided with three-phase windings, and secondary is permanent magnetic plate group, keeps between about 1mm between primary and secondary
Gap；When described primary incoming transport electricity, the secondary faradic current that produces, faradic current produces with the magnetic field phase separation in air gap and drives
The electromagnetic push of dynamic described primary movement.The linear servo-actuator using said structure can realize under the highest feed speed
The instantaneous fast state reaching to set and the most instantaneous accurate stop motion；High-precision nanoscale repetitive positioning accuracy and
Feed accuracy, can improve machined surface quality, improves dresser service life and production efficiency；Decrease intermediate transmission link,
Make transmission stiffness improve, be effectively improved dressing accuracy and reliability.
As preferentially, also including grating scale, described grating scale, to control system feedback trim locations and trim amount, controls system
System controls to drive described correcting compensation planker secondary.Use above-mentioned grating scale, by position and the trim amount of grating scale feedback finishing
Can realize the high-precision closed loop control of high rigidity, resetting error is smaller than 0.1 m, thus significantly ensure that described emery wheel
The degree of accuracy of finishing.
As preferentially, described dresser includes the emery wheel for repairing emery wheel, and described emery wheel is along its axis week
To rotation, it is tangential that described axis is parallel to emery wheel.
As preferentially, described emery wheel is positioned on support by rotating shaft, and support is provided with and drives driving of described rotating shaft
Dynamic servomotor.
The present invention uses technique scheme, and this mechanism drives dresser axially to move along emery wheel by finishing cross slide pair
Dynamic, drive dresser to move radially along emery wheel by correcting compensation planker pair, correcting compensation planker sub-control crushing amount；And
Described correcting compensation planker pair uses linear servo-actuator to drive correcting compensation planker, the speed change sensitivity of linear servo-actuator
Height, fast response time；Dresser can be driven quickly to carry out station adjustment, emery wheel to be carried out high accuracy quickly finishing, reach
Accurately repair the purpose of emery wheel, there is repetitive positioning accuracy height and feed accuracy advantages of higher.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation of linear servo-actuator.
Detailed description of the invention
Below in conjunction with the accompanying drawings, the preferred embodiments of the invention are described in further detail.
A kind of linear servo drive finishing emery wheel mechanism as shown in Figure 1 and Figure 2, including acting on the dresser of emery wheel 1,
And for detecting and feed back the grating scale of trim locations and trim amount, and drive dresser along repairing that emery wheel 1 moves axially
Whole cross slide pair 2, and the correcting compensation planker pair 3 that driving dresser moves radially along emery wheel 1；Described correcting compensation planker
Pair includes linear servo-actuator, and the correcting compensation planker being arranged on linear servo-actuator outfan.Said mechanism is passed through
Finishing cross slide secondary 2 drives dresser to move axially along emery wheel 1, drives dresser along emery wheel 1 by correcting compensation planker secondary 3
Moving radially, correcting compensation planker secondary 3 controls emery wheel 1 trim amount；And described correcting compensation planker pair uses linear servo-actuator
Driving correcting compensation planker, the speed change of linear servo-actuator is highly sensitive, fast response time；Dresser can be driven quickly to carry out
Station adjusts, and so that emery wheel 1 to carry out high accuracy quickly finishing, reaches accurately to repair the purpose of emery wheel 1, and have simple in construction,
The advantages such as mounting and adjusting is convenient and there is the features such as little, the noiselessness of vibrations.
Described dresser includes the emery wheel 41 for repairing emery wheel 1, and described emery wheel 41 turns along its axis circumference
Dynamic, it is tangential that described axis is parallel to emery wheel 1.Described emery wheel 41 is positioned on support 43 by rotating shaft 42, and support 43 sets
There is the driving motor 44 driving described rotating shaft 42, drive motor 44 by reduction box 45 connection rotating shaft 42.Above-mentioned dresser passes through
Correcting compensation planker secondary 3 and finishing cross slide secondary 2 drive, when the product size that discovery processes, roughness are defective,
According to product design size, emery wheel 1 can be repaired, interpolation finishing straight line, circular curve, many circular curves, hyperbola and
Loaarithmic curve, amount of curvature can set according to product design size on the touchscreen.
Described grating scale is to control system feedback trim locations and trim amount, and control system controls to drive described correcting compensation
Planker pair 3.Using above-mentioned grating scale, the resolution of optical grating measuring system is up to nanoscale, and measuring speed is up to 480m/min, surveys
Amount length is up to more than hundred meters；This high accuracy also ensure that the high accuracy of Digit Control Machine Tool is with at high speed.Fed back by grating scale
Position and the correction of finishing can realize the high-precision closed loop control of high rigidity, and resetting error is smaller than 0.1 m, thus
Significantly ensure that the degree of accuracy that described emery wheel 1 is repaired.
Described linear servo-actuator includes the secondary 31 being fixedly installed, and movement is arranged on the primary on described secondary 31
32；The described primary 32 internal three-phase windings that are provided with, secondary 31 is to lead permanent magnet plate group, keeps about between primary 32 and secondary 31
The air gap of 1mm；When described primary 32 incoming transport electricity, secondary 31 produce faradic current, faradic current and the magnetic field in air gap
Phase separation produces and drives described primary 32 electromagnetic push moved.The linear servo-actuator using said structure can be the highest
The instantaneous fast state reaching to set and the most instantaneous accurate stop motion is realized under feed speed；High-precision nanoscale
Repetitive positioning accuracy and feed accuracy, can improve machined surface quality, improves dresser service life and production efficiency；Decrease
Intermediate transmission link, makes transmission stiffness improve, and is effectively improved transmission accuracy and reliability
Specifically, compared with traditional ball screw assembly, linear electric motors are used to have the advantage that.
The highest intensity, linear electric motors are directly connected with mobile load, and very close to each other, motor can move load in time, than
Ball-screw has higher dynamic rate.
The widest velocity interval: because motor is the restriction that non-contact type does not has mechanical transfer, it is easy to realize at a high speed
It is normally applied speed with extremely low speed and can be more than 5m/s, or less than 1 m/s.Ball-screw does not reaches the highest because of resonance and abrasion
Speed (generally 0.5 ~ 0.7m/s), linear electric motors also have excellent speed characteristics in addition, and general speed rate of change is better than ±
0.01%。
The highest dynamic performance: the biggest motor acceleration 3 × 102m/s2~5×102 m/s2, less
Motor acceleration more than 101 m/s2。
4. operating steadily, positional precision is the highest: unique design motor thrust and velocity perturbation are the least, are suitable to ultra-smooth fortune
Dynamic, positional precision is only limited by feedback element, and generally up to nanoscale, resetting error is less than 0.1 m.
5. unrestricted stroke: modular organization can meet different rows range request with superposition.
6. can run according to the movement locus set, meet finishing single hop orthodrome, multi-section circular arc, hyperbola, right simultaneously
The demand of the multiple curved profile such as number curve.
The most integrated parts are simple: non-housing linear electric motors only need little parts than electric rotating machine mechanical transfer.
It should be appreciated that the above-mentioned detailed description of the invention of the present invention is used only for exemplary illustration or explains the present invention's
Principle, and be not construed as limiting the invention.Therefore, that is done in the case of without departing from spirit and scope of the present invention is any
Amendment, equivalent, improvement etc., should be included within the scope of the present invention.Additionally, claims purport of the present invention
Whole within containing the equivalents falling into scope and border or this scope and border change and repair
Change example.
Claims (5)
1. a linear servo drive wheel dressing mechanism, it is characterised in that: include the dresser acting on emery wheel, and drive
The finishing cross slide that dresser moves axially along emery wheel is secondary, and the correcting compensation driving dresser to move radially along emery wheel drags
Plate is secondary；Described correcting compensation torr pair includes linear servo-actuator, and the finishing being arranged on linear servo-actuator outfan is mended
Repay planker.
A kind of linear servo drive wheel dressing mechanism the most according to claim 1, it is characterised in that: described linear servo
Motor includes the secondary being fixedly installed, and movement is arranged on the primary in described secondary；Described primary inner be provided with three-phase around
Group, secondary is permanent magnetic plate group, keeps the gap of about 1mm between primary and secondary；When described primary incoming transport electricity, secondary product
Raw faradic current, faradic current and the magnetic field phase separation in air gap produce the electromagnetic push driving described primary movement.
A kind of linear servo drive wheel dressing mechanism the most according to claim 1 and 2, it is characterised in that: also include light
Grid chi, described grating scale is to control system feedback trim locations and trim amount, and control system controls to drive described correcting compensation to drag
Plate is secondary.
A kind of linear servo drive wheel dressing mechanism the most according to claim 1, it is characterised in that: described dresser bag
Including the emery wheel for repairing emery wheel, described emery wheel is along its axis high speed rotating, and it is tangential that described axis is parallel to emery wheel.
A kind of linear servo drive wheel dressing mechanism the most according to claim 4, it is characterised in that: described emery wheel
Being positioned on support by rotating shaft, support is provided with the driving motor driving described rotating shaft, drives motor to be connected by reduction box
Rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610563046.3A CN106181772A (en) | 2016-07-15 | 2016-07-15 | A kind of linear servo drive repairs emery wheel mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610563046.3A CN106181772A (en) | 2016-07-15 | 2016-07-15 | A kind of linear servo drive repairs emery wheel mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106181772A true CN106181772A (en) | 2016-12-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610563046.3A Pending CN106181772A (en) | 2016-07-15 | 2016-07-15 | A kind of linear servo drive repairs emery wheel mechanism |
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| CN (1) | CN106181772A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110421486A (en) * | 2019-07-23 | 2019-11-08 | 郑州磨料磨具磨削研究所有限公司 | A kind of trimming device and method that channel grinding abrasive disk profile detects automatically and regulates and controls |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06320421A (en) * | 1993-05-14 | 1994-11-22 | Fuji Oozx Inc | Modifying device for grinding wheel in centerless grinding machine |
| CN201098843Y (en) * | 2007-06-06 | 2008-08-13 | 上海重型机床厂有限公司 | Dual-shaft interlocked digital control dresser for digital control gantry guide rail grinder |
| CN104070456A (en) * | 2014-06-04 | 2014-10-01 | 湖南海捷主轴科技有限公司 | Static pressure trimmer for ultra precision ball bearing inner ring channel grinding abrasive wheel and trimming method |
| CN104400656A (en) * | 2014-11-17 | 2015-03-11 | 重庆兴旺工具制造有限公司 | Grinding wheel dresser of numerical-control hob relieving grinding machine |
| CN104749736A (en) * | 2013-12-25 | 2015-07-01 | 中国兵器工业第五二研究所 | High-compactness precision linear driving device applied to vacuum environment |
| CN204906153U (en) * | 2015-07-22 | 2015-12-23 | 北京顿一科技有限公司 | Position control servo of linear module of linear motion and applied this module |
| CN105196117A (en) * | 2015-09-29 | 2015-12-30 | 浙江维克机械科技有限公司 | Full-automatic numerical control screw tap thread grinder |
-
2016
- 2016-07-15 CN CN201610563046.3A patent/CN106181772A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06320421A (en) * | 1993-05-14 | 1994-11-22 | Fuji Oozx Inc | Modifying device for grinding wheel in centerless grinding machine |
| CN201098843Y (en) * | 2007-06-06 | 2008-08-13 | 上海重型机床厂有限公司 | Dual-shaft interlocked digital control dresser for digital control gantry guide rail grinder |
| CN104749736A (en) * | 2013-12-25 | 2015-07-01 | 中国兵器工业第五二研究所 | High-compactness precision linear driving device applied to vacuum environment |
| CN104070456A (en) * | 2014-06-04 | 2014-10-01 | 湖南海捷主轴科技有限公司 | Static pressure trimmer for ultra precision ball bearing inner ring channel grinding abrasive wheel and trimming method |
| CN104400656A (en) * | 2014-11-17 | 2015-03-11 | 重庆兴旺工具制造有限公司 | Grinding wheel dresser of numerical-control hob relieving grinding machine |
| CN204906153U (en) * | 2015-07-22 | 2015-12-23 | 北京顿一科技有限公司 | Position control servo of linear module of linear motion and applied this module |
| CN105196117A (en) * | 2015-09-29 | 2015-12-30 | 浙江维克机械科技有限公司 | Full-automatic numerical control screw tap thread grinder |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110421486A (en) * | 2019-07-23 | 2019-11-08 | 郑州磨料磨具磨削研究所有限公司 | A kind of trimming device and method that channel grinding abrasive disk profile detects automatically and regulates and controls |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161207 |